-USB 2 Port PCI Express Super-Speed USB 3.0 Card Adapter.
-Compliant With PCI Express Base Specification 2.0, PCI-E 1x Bus Interface, Compliant With USB 3.0 Super-Speed (5Gbps)
-USB 2.0 Hi-Speed (480mbps), USB 1.1 Low-Speed(1.5mbps), Complaint With Xhci Specification Revision 0.95, Max. 900MA Per Port.